Mannuelle ring refers to Levonorgestrel IUD system, just put on the Levonorgestrel IUD system can walk, but avoid strenuous exercise. Levonorgestrel IUD can release levonorgestrel to produce a contraceptive effect, but also to treat excessive menstruation, dysmenorrhea and other diseases. Installation of the Levonorgestrel IUD is similar to that of a regular birth control ring and can be done in an outpatient operating room. Most of them do not cause any serious discomfort and you can move around freely after a little rest. There is an adaptation process for the installation of the levonorgestrel IUD. When the levonorgestrel IUD is first installed, the cervical opening is loose and the uterus is overly sensitive, so strenuous exercise may lead to side effects such as the IUD shifting downward and falling off. After the installation of levonorgestrel intrauterine device system, pay attention to rest for 3 days, and avoid heavy physical labor within a week. Installation of levonorgestrel intrauterine device needs to be in a regular hospital, by regular doctors to complete the operation, after the operation, pay attention to regular review.